Elasmopalpus lignosellus (Zeller). Common Names. lesser cornstalk borer. Author: Dr. Steve L. Brown, Dr. Will Hudson, University of Georgia. J Econ Entomol. Apr;(2) Effects of Elasmopalpus lignosellus ( Lepidoptera: Pyralidae) damage on sugarcane yield. Sandhu HS(1), Nuessly GS, . Environ Entomol. Jun;39(3) doi: /EN Temperature- dependent development of Elasmopalpus lignosellus (Lepidoptera: Pyralidae).
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Distribution Back to Top The lesser cornstalk borer occurs widely in the western hemisphere and is known from much of the southern United States. Adult longevity under field conditions is lignoslelus at about 10 days.
lesser cornstalk borer – Elasmopalpus lignosellus (Zeller)
During the early instars, larvae are yellowish green, with reddish pigmentation dorsally, tending to form transverse bands. Global Information System on Pyraloidea. Photograph by James F. Discussion Libnosellus source History. If borer days equals 5 to 9, then damage is lignosellsu and fields should be scouted. Lesser cornstalk borer required Lepidoptera and Some Other Life Forms. A single female can oviposit about eggs Capinerawith a report of up to eggs Biddle et al.
Throughout the southern half of the United States but most damaging in sandy soil along the south Atlantic and Gulf Coasts. Host Plants Back to Top Lesser cornstalk borer is a polyphagous pest that often attacks several crops throughout the southeastern United States.
However, crop culture that uses conservation tillage i. Photograph by Harsimran Gill, University of Florida. Description and Life Cycle Back to Top There are three to four generations annually in the southeast, but in the southwest there are only three generations annually. Duration of the egg stage is two to three days. Based on these results, we can forecast the different stages of lesser cornstalk borer at different times in sugarcane.
Larval populations are aggregated, and can be separated from soil by sieving or flotation Mack et al. Larvae are strong and active when disturbed and wiggle violently so that in some countries it is called the jumping borer Schaaf In general, the forewing of the male moth is yellowish centrally, bordered by a broad dark band bearing purplish scales.
There are three to four generations annually in the southeast, but in the southwest there are only three generations annually.
On peanuts, this species mostly occurs in noneconomic densities, but sporadic outbreaks are associated with hot and dry climatic conditions Smith and Barfield The eggs are oval, measuring about 0. LCBs have a wide host range but have the greatest economic impact on corn, small grains, soybeans, peanuts, beans and peas. The larvae feed on a wide range of plants but prefer grasses.
Price, University of Florida.
Blanchard . Average life of adults is 10 days, and each female deposits lignoaellus eggs. Corn, peanuts, and many other legumes and grasses are attacked, but plants in the grass family are preferred; attacks trees only ocassionally Elasmopalpux b, Luginbill and Ainslee In Georgia, Leuck reported that due to the semi-subterranean nature of lesser cornstalk borer, it fed on and damaged seedlings and mature soybean plants above and below the soil surface.
A few, however, are placed on the surface or on leaves and stems.
Its single species, Elasmopalpus lignosellusthe lesser lignosellys borerwas described by Philipp Christoph Zeller in Adults are generally brownish with narrow and elongate forewings with oblique distal margins. Feeding by lesser cornstalk borer, Elasmopalpus lignosellus Zeller Lepidoptera: As the larvae mature, whitish longitudinal stripes develop, so that by the fifth instar they are pronounced.
To scout for lesser cornstalk borer, uproot small plants in 10 locations in a elasmopal;us. Content is available for non-profit, educational use under our Copyright Agreement.
Effects of Elasmopalpus lignosellus (Lepidoptera: Pyralidae) damage on sugarcane yield.
Populations tend to increase over the course of a season, so some damage can be avoided by early planting. Eggs hatch within a week, and early-instar larvae mine lower branches or begin to feed on stem and roots below the soil surface Dixon a.
Such conditions are optimal for mating and oviposition. The egg stage is difficult to sample because eggs are small and resemble sand grains. The lignosfllus between borer-days and larval abundance is nonlinear, and small increases in borer-days beyond 10 elasmopallus in large increases in larval abundance.
Moth Photographers Group – Elasmopalpus lignosellus –
Sexual dimorphism is pronounced. Head and cervical shield shiny brownish black; body pale green with longitudinal, somewhat broken white and purple stripes.
Moths are fairly small, measuring 17 to 22 mm in wingspan.